Synology DiskStation Manager up to 7.2.0/7.2.2-72806-6/7.3.2-86009-1 Audio API path traversal

Summaryinfo

A vulnerability categorized as problematic has been discovered in Synology DiskStation Manager up to 7.2.0/7.2.2-72806-6/7.3.2-86009-1. The impacted element is an unknown function of the component Audio API. The manipulation results in path traversal. This vulnerability is identified as CVE-2026-40536. The attack can be executed remotely. There is not any exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in Synology DiskStation Manager up to 7.2.0/7.2.2-72806-6/7.3.2-86009-1. It has been classified as problematic. Affected is an unknown functionality of the component Audio API. The manipulation with an unknown input leads to a path traversal vulnerability. CWE is classifying the issue as CWE-22. The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory. This is going to have an impact on confidentiality. CVE summarizes:

An improper limitation of a pathname to a restricted directory ('path traversal') vulnerability in Audio API in Synology DiskStation Manager (DSM) before 7.2.1-69057-10, 7.2.2-72806-7 and 7.3.2-86009-2 allows remote authenticated users to obtain non-sensitive information.

The advisory is shared for download at synology.com. This vulnerability is traded as CVE-2026-40536 since 04/14/2026. The exploitability is told to be easy. It is possible to launch the attack remotely. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1006.

Upgrading to version 7.2.1-69057-10, 7.2.2-72806-7 or 7.3.2-86009-2 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-82790). Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

• Network Attached Storage Software

Vendor

• Synology

Name

• DiskStation Manager

Version

• 7.0
• 7.1
• 7.2.0
• 7.2.2-72806-6
• 7.3.2-86009-1

License

• commercial

Website

• Vendor: https://www.synology.com/

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Once again VulDB remains the best source for vulnerability data.

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